sb. pl. Obs. [ANACAMPTIC a. used in pl., after acoustics, politics, etc.: see -ICS.]
1. The branch of Optics now called CATOPTRICS.
1595. Phillips, Anacamptics, a branch of Opticks call’d Catopticks.
1755. Johnson, Anacampticks, the doctrine of reflected light, or catoptricks.
2. The branch of Acoustics, that relates to reflection of sound.
1796. Hutton, Math. Dict., Anacamptics, or the science of the reflections of sounds, frequently used in reference to echoes, which are said to be sounds produced anacamptically, or by reflection.
